Cita APA (7th ed.)

Morrison, D., & Owen, T. C. (2003). The planetary system (3rd ed.). Addison Wesley.

Cita Chicago (17th ed.)

Morrison, David, i Tobias C. Owen. The Planetary System. 3rd ed. San Francisco, Calif: Addison Wesley, 2003.

Cita MLA (9th ed.)

Morrison, David, i Tobias C. Owen. The Planetary System. 3rd ed. Addison Wesley, 2003.